A study published online by the BMJ today doesn't find evidence of a clear benefit of omega 3 fats on health.

A virus of ocean origin that can cause a range of diseases in several animal species has been found in human blood samples. The virus, or antibodies to it, was found most often in the blood of individuals with liver damage, or hepatitis of unknown cause related to blood exposure.

An international public-private research team led by scientists at the Broad Institute of MIT and Harvard announced today the construction and availability of an extensive library of molecular reagents to silence most human and mouse genes.

A study in the March 24 Cell reports the discovery of a gene that drives anthrax bacteria's toxic effects. The gene could offer a potential new target for countermeasures against the lethal toxin, according to the researchers.

Researchers at the McKusick-Nathans Institute of Genetic Medicine at Johns Hopkins have invented a cost-effective and highly efficient way of analyzing what many have termed "junk" DNA and identified regions critical for controlling gene function. And they have found that these control regions from different species don't have to look alike to work alike.

Researchers from Joslin Diabetes Center have published in the March 24, 2006, issue of the journal Science a significant study about islet cell recovery and reversal of type 1 diabetes in mice.

A "Red Tide" event that occurred off the coast of El Salvador late last year directly caused the deaths of some 200 sea turtles, according to test results released today by the Wildlife Conservation Society (WCS) and other organizations.

In an important discovery, scientists have demonstrated that the progression of a type of genetic brain disease is slowed and symptoms are improved in mice that received cell transplants.

New evidence from open sea experiments shows there's a constant shuffling of genetic endowments going on among tiny plankton, and the "coinage" they use seems to be a flood of viruses, MIT scientists report.

A new experiment has shed more light on the multi-decade debate about how the brain knows where limbs are without looking at them.